Crisis Missions:To unlock the Crisis Missions, beat Arcade Mode one time.
More Credits:To gain more credits for continues, fail while playing Arcade Mode. Each failure will increase your possible credits by one, for up to a total of nine credits.

Music Player:
Successfully complete the Crisis missions.

Alternate title screens:Successfully complete Arcade mode to unlock a title screen featuring Giorgio and Evan.

Successfully complete the Crisis missions to unlock a title screen featuring Elizabeth Conway with a gun.

Successfully complete the Complete missions to unlock a title screen featuring Captain Rush.